What do the number of years between 7 billion, 8 billion, and 9 billion suggest about the growth rates?

Why is it useful for historians to base certain studies on the analysis of historical themes

Which of the following shows the correct order of events? catt’s “winning plan,” suffrage in some western states, the nineteenth amendment suffrage in some western states, the nineteenth amendment, catt’s “winning plan” suffrage in some western states, catt’s “winning plan,” the nineteenth amendment catt’s “winning plan,” the nineteenth amendment, suffrage in some western states

Which is not a characteristic of capitalism? 1. market economy 2. supply and demand 3. freedom of competition 4. classless society